Question

$explain \: parts \: and \: \\ functions \: of \: eye$
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Answer 1

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The eye has many parts that must work together to produce clear vision: The sclera, or white part of the eye, protects the eyeball. The pupil, or black dot at the centre of the eye, is a hole through which light can enter the eye. The iris, or coloured part of the eye, surrounds the pupil

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Answer 2

THE DIFFERENT PARTS OF EYES ARE:-

1) RETINA

2) CILIARY MUSCLES

3) CRYSTALLINE LENS

4) PUPIL

5) IRIS

6) CORNEA

7) OPTIC NERVE

EXPLANATIONS:-

1) IMAGES FORMED ON A LIGHT SENSITIVE SCREEN CALLED A RETINA

2) CILIARY MUSCLES CONTROL THE SIZE OF CRYSTALLINE LENS AND CHANGE IN FOCAL LENGTH

3) CRYSTALLINE LENS PROVIDE THE FINER ADJUSTMENT OF FOCAL LENGTH

4) PUPIL REGULATE CAN CONTROL THE AMOUNT OF LIGHT ENTERING THE EYE

5) IRIS IS A DARK MUSCULAR DIAPHRAGM THAT CONTROLS THE SIZE OF PUPIL

6) LIGHT ENTERS THE EYE THROUGH A THIN MEMBRANE CALLED CORNEA

7) THE LIGHT SENSITIVE CELLS GENERATE ELECTRICAL SIGNALS WHICH ARE SENT TO BRAIN VIA THROUGH OPTIC NERVE.